package com.mmall.concurrency.example.aqs;

import lombok.extern.slf4j.Slf4j;

import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

@Slf4j
public class CyclicBarrierExample1 {

    private static CyclicBarrier barrier = new CyclicBarrier(5);


    public static void main(String[] args) throws Exception{

        ExecutorService executorService = Executors.newCachedThreadPool();
        for(int i = 0;i<10;i++){
            final int threadNum = i;
            Thread.sleep(1000);
            executorService.execute(()->{
                try{
                    race(threadNum);
                }catch (Exception e){
                    log.error("exception",e);
                }
            });

        }
        executorService.shutdown();

    }

    private static void race(int threadNum) throws Exception{
        Thread.sleep(1000);
        log.info("{} is ready",threadNum);
        barrier.await();
        log.info("{} continue",threadNum);

    }

}
